The members of a new international group formed to help fight the violent MS-13 and 18th Street gangs were meeting for the first time last month at the FBI Academy in Quantico, Virginia when the reason for the group’s existence became perfectly clear: representatives from El Salvador and Mexico realized they had been tracking the activities of the same MS-13 suspect. Now both countries could benefit from their collective intelligence efforts.

“These gangs are transnational, and right now they pretty much cross our borders for criminal activity at will,â€